Marston, Edward
New York: Fawcett crest, 1994
Buku Teks
White, R. J.
Harper & Brothers, 1961
Buku Teks
Bezine, Ching Yun
Gramedia Pustaka Utama , 1995
Buku Teks
Archer, Jeffrey
Jakarta Gramedia Pustaka Utama 2000,
Buku Teks
Patterson, James, author
Little, Brown, 1997
Buku Teks